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Mulready Water Quality Reports

posted Apr 1, 2016, 11:15 AM by jfortuna@hudson.k12.ma.us

The District has received the lab results from the Mulready water tests completed by
Microbac Labs. Our first draw samples were taken early on March 25th
after the units had been still since the day before for the required 6 to 8
hours. The units had most likely been still for 9.5 to 10 hours at the time of
the sample collection.

All lead readings were significantly below the EPA/LCCA
limits for lead which is 0.015 mg/L. The letters ND on the reports indicate
that there was no substance detectable in the sample. As you can see most of our
samples tested around 0.0015 mg/L.

There was one first draw sample that tested at .0052 mg/L
for lead. This result had the highest concentration of lead obtained and was a
clear outlier from the remaining data. Though an outlier, the result is well below
the acceptable threshold of 0.015mg/L established by the Environmental
Protection Agency when water is tested after being still. The same drinking
fountain did not have any detectable lead after being flushed per the testing
protocol.

The results of the second test, which are flushed samples,
yield results for lead and copper that remain significantly below the EPA/LCCA
thresholds of 0.015 mg/L Lead and 1.3mg/L Copper.

The District’s next action steps are:

• Notifying all Mulready families on
Friday afternoon

• Reopening of all water fountains
at the Mulready School

• Starting a testing routine for all
schools in conjunction with the water department. Posting result reports on the
District’s Announcement webpage

I would like to once again extend my appreciation to Sam
Tipps and Josh Teixeira for their thoughtful and professional research for the
State science fair that led us to where we are in this process.